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[1.7.x] Fixed #23065 -- Quoted constraint names in SQL generated by migrations.

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Backport of 83cd18633f from master
This commit is contained in:
Sergey Fedoseev
2014-09-16 23:37:18 +06:00
committed by Tim Graham
parent 09b5ff64b8
commit 58d7b84d53
3 changed files with 59 additions and 6 deletions
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50
tests/schema/tests.py
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@@ -1040,3 +1040,53 @@ class SchemaTests(TransactionTestCase):
DatabaseError,
lambda: list(Thing.objects.all()),
)
@unittest.skipUnless(connection.features.supports_foreign_keys, "No FK support")
def test_remove_constraints_capital_letters(self):
"""
#23065 - Constraint names must be quoted if they contain capital letters.
"""
def get_field(*args, **kwargs):
kwargs['db_column'] = "CamelCase"
field = kwargs.pop('field_class', IntegerField)(*args, **kwargs)
field.set_attributes_from_name("CamelCase")
return field
model = Author
field = get_field()
table = model._meta.db_table
column = field.column
with connection.schema_editor() as editor:
editor.create_model(model)
editor.add_field(model, field)
editor.execute(
editor.sql_create_index % {
"table": editor.quote_name(table),
"name": editor.quote_name("CamelCaseIndex"),
"columns": editor.quote_name(column),
"extra": "",
}
)
editor.alter_field(model, get_field(db_index=True), field)
editor.execute(
editor.sql_create_unique % {
"table": editor.quote_name(table),
"name": editor.quote_name("CamelCaseUniqConstraint"),
"columns": editor.quote_name(field.column),
}
)
editor.alter_field(model, get_field(unique=True), field)
editor.execute(
editor.sql_create_fk % {
"table": editor.quote_name(table),
"name": editor.quote_name("CamelCaseFKConstraint"),
"column": editor.quote_name(column),
"to_table": editor.quote_name(table),
"to_column": editor.quote_name(model._meta.auto_field.column),
}
)
editor.alter_field(model, get_field(Author, field_class=ForeignKey), field)